Printing on clothing: Tips for optimal print files

6 August 2026

5 min

A successful print result starts with the quality of your print data. Resolution and line thicknesses are crucial for this:

Resolution: Make sure your print files are at least 300 dpi. This ensures that your prints appear sharp and clear without looking pixelated. An image with too low a resolution can produce blurry and fuzzy results, which will detract from the overall impression of your design.
Line thicknesses: Lines that are too thin can easily be lost or break during printing. A minimum line thickness of 0.2 mm is recommended to ensure that all the details of your design are reproduced clearly and distinctly. This is particularly important if you use fine lines or small fonts in your design.

druck.at tip: Check the resolution of your file by viewing it at its original size with the zoom set to 100 per cent. This allows you to simulate the print result straight away!

A common pitfall in garment printing is transparent backgrounds and white design elements. It’s important to note that beOn druck.at, every design is automatically given a white background. Please note the following:

Automatic white printing: At druck.at, your print design is automatically given a white underprint. This technique ensures that the colours in your design appear richer and more vibrant, particularly on coloured textiles. This underprint prevents the colour of the fabric from distorting the printed image.
Define white elements: If you actually want certain elements in your design to be printed in white, these must be explicitly defined as a CMYK colour with a 0% colour value. This is important to ensure that these areas are not accidentally overprinted by other colours.
Background removal: If you do not want a particular area – such as the background – to be printed in white, this area must be completely cut out. If a colour block is still used in the layout, even with 0% ink coverage, this area will be interpreted as a white print and printed accordingly.

Ensure that clipped areas are retained when exporting the file. Transparencies must be saved correctly to avoid unwanted white printouts.

Another common pitfall is the correct placement of logos and designs. To avoid mistakes, use absolutely Our templates: They provide you with precise guidelines and visual aids to help you position your graphics in the correct place. This helps you avoid misunderstandings, production errors and, above all, unnecessary frustration. You can find the relevant templates at the very bottom of each product page in the ‘Data preparation / Downloads’ section.

Please note: Textiles are flexible materials. They stretch, drape differently on each person and adapt to the wearer’s body shape. This may result in slight variations in the finished product.

druck.at tip: Are you unsure whether your print files are correct? Then add our Standard or Premium Professional File Check to your order! You can find all the details here on our print blog.

To ensure your print files can be processed without any issues, you should pay attention to formats and compatibility:

File formats & vector graphics: Use formats such as PDF, AI or EPS. These formats allow your design to be scaled without any loss of quality and ensure sharp lines. Vector graphics are particularly useful for logos that are to be printed in different sizes.
Compatibility: Ensure that your files are compatible with standard software programmes. All fonts should be converted to paths to ensure that no unexpected changes occur when the file is opened.

druck.at tip: Would you like to find out more about vector graphics? In In our blog post, you’ll find everything, What you need to know.